Android_代码监听来电显示，为黑名单时挂断

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配置：<!--读取电话状态的权限--><uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission><uses-permission android:name="android.permission.CALL_PHONE"></uses-permission>
<receiver android:name=".MyPhoneStrator">    <intent-filter>        <action android:name="android.intent.action.PHONE_STATE"></action>    </intent-filter></receiver>

代码：
package com.example.android_login;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.os.RemoteException;import android.telephony.TelephonyManager;import android.util.Log;import com.android.internal.telephony.ITelephony;import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;/** * Created by Administrator on 2017/7/15 0015. */public class MyPhoneStrator extends BroadcastReceiver {    private TelephonyManager tm;    @Override    public void onReceive(Context context, Intent intent) {        Log.i("test", "来电显示：" + intent.getAction());        if ("android.intent.action.PHONE_STATE".equals(intent.getAction())){            Log.i("test","来电显示：");            //获取电话管理者                                      TELEPHONY_SERVICE            tm = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);            Log.i("test","来电显示1：");            String number=intent.getStringExtra("incoming_number");            Log.i("test","来电显示3："+number);            int state= tm.getCallState();            Log.i("test","来电显示2：");            switch (state) {                case TelephonyManager.CALL_STATE_RINGING:                    Log.i("test","来电显示："+number);                    Class<TelephonyManager> telephonyManagerClass=TelephonyManager.class;                    try {                        Method method=telephonyManagerClass.getDeclaredMethod("getITelephony",null);                        method.setAccessible(true);                        ITelephony telephony= (ITelephony) method.invoke(tm,null);                        if (number.equals("18873870231")){                        telephony.endCall();                        }                    } catch (Exception e) {                        e.printStackTrace();                    }                    break;            }        }    }}
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